Sony Cybershot DSC-WX7 Battery and Charger with Car Plug and EU Adapter - Replacement for Sony NP-BN1 Digital Camera Batteries and Chargers (650mAh, 3.7V, Lithium-Ion) : Amazon.ca: Electronics
Amazon.com : Kastar Battery and Charger Replacement for Sony DSC-W710 DSC-W730 DSC-W800 DSC-W810 DSC-W830 DSC-WX10 DSC-WX100 DSC-WX150 DSC-WX200 DSC-WX220 DSC-WX30 DSC-WX7 DSC-WX70 Digital Camera : Electronics
Gomadic Portable External Battery Charging Kit suitable for the Sony Cyber-shot DSC-WX7 Includes Wall; Car and USB Charge Options
Battery Pack For Sony Cyber-shot Dsc-wx5, Dsc-wx7, Dsc-wx9, Dsc-wx30, Dsc-wx50, Dsc-wx60, Dsc-wx70, Dsc-wx80 Digital Camera - Digital Batteries - AliExpress